Repositories list

• metamask-extension

  Public
  🌐 🔌 The MetaMask browser extension enables browsing Ethereum blockchain enabled websites

  extensionoperaethereum+ 6dappedgebravedapp-developersfirefoxchrome

  TypeScript

  •

  Other

  •5.3k•13k•2.1k•297•Updated Sep 3, 2025Sep 3, 2025

• metamask-storybook

  Public
  The Storybook for the MetaMask extension

  TypeScript

  •34•28•0•0•Updated Sep 3, 2025Sep 3, 2025

• metamask-mobile

  Public
  Mobile web browser providing access to websites that use the Ethereum blockchain

  javascriptandroidios+ 4react-nativeweb3metamaskdapps-browser

  TypeScript

  •

  Other

  •1.4k•2.6k•1.4k•247•Updated Sep 3, 2025Sep 3, 2025

• eth-phishing-detect

  Public
  Utility for detecting phishing domains targeting Web3 users

  TypeScript

  •

  Other

  •1k•1.2k•9•4•Updated Sep 3, 2025Sep 3, 2025

• eth-json-rpc-middleware

  Public
  Ethereum middleware for composing an Ethereum provider using json-rpc-engine. Intended to replace provider-engine

  TypeScript

  •

  ISC License

  •95•182•10•21•Updated Sep 3, 2025Sep 3, 2025

• metamask-docs

  Public
  Developer documentation for MetaMask

  ethereumblockchaincryptocurrency+ 2metamaskdocumentation

  MDX

  •

  Apache License 2.0

  •1.4k•752•39•21•Updated Sep 3, 2025Sep 3, 2025

• snaps-registry

  Public
  A registry containing metadata about verified and blocked Snaps.

  TypeScript

  •

  Apache License 2.0

  •22•39•8•17•Updated Sep 3, 2025Sep 3, 2025

• mobile_bundlesize_stats

  Public
  Measuring mobile bundle size over time

  JavaScript

  •3•3•0•1•Updated Sep 3, 2025Sep 3, 2025

• extension_benchmark_stats

  Public
  Measuring browser page load stats over time

  0•0•0•0•Updated Sep 3, 2025Sep 3, 2025

• extension_bundlesize_stats

  Public
  Measuring extension bundle size over time

  HTML

  •7•7•3•2•Updated Sep 3, 2025Sep 3, 2025

• metamask-extension-ts-migration-dashboard

  Public
  A dashboard for tracking the TypeScript migration of the extension.

  JavaScript

  •6•5•0•1•Updated Sep 3, 2025Sep 3, 2025

• delegation-framework

  Public
  The contracts that power the Delegation Framework

  delegationsolidityweb3+ 4metamasksmart-walletaccount-abstraction4337

  Solidity

  •

  Apache License 2.0

  •64•131•4•23•Updated Sep 3, 2025Sep 3, 2025

• delegation-toolkit

  Public
  A Viem-based Toolkit for integrating embedded smart contract wallets into dapps.

  TypeScript

  •

  Apache License 2.0

  •12•11•3•11•Updated Sep 3, 2025Sep 3, 2025

• snap-bitcoin-wallet

  Public
  Bitcoin Wallet Snap

  TypeScript

  •

  Apache License 2.0

  •4•3•0•1•Updated Sep 3, 2025Sep 3, 2025

• snaps-directory

  Public
  Explore community-built Snaps to customize your web3 experience via our official directory.

  TypeScript

  •14•17•8•10•Updated Sep 3, 2025Sep 3, 2025

• github-tools

  Public
  An assortment of tools interacting with the GitHub API to get metrics for things like PR review comments/reviews

  TypeScript

  •4•6•1•13•Updated Sep 2, 2025Sep 2, 2025

• accounts

  Public
  Monorepo for MetaMask's account-related packages

  TypeScript

  •8•15•1•10•Updated Sep 2, 2025Sep 2, 2025

• core

  Public
  This monorepo is a collection of packages used across multiple MetaMask clients

  TypeScript

  •

  MIT License

  •243•348•245•185•Updated Sep 2, 2025Sep 2, 2025

• ocap-kernel

  Public
  The MetaMask Ocap Kernel monorepo.

  TypeScript

  •

  Apache License 2.0

  •5•6•27•5•Updated Sep 2, 2025Sep 2, 2025

• metamask-design-system

  Public
  The design system for MetaMask products

  TypeScript

  •5•14•139•9•Updated Sep 2, 2025Sep 2, 2025

• utils

  Public
  Various JavaScript / TypeScript utilities of wide relevance to the MetaMask codebase.

  javascriptjsontime+ 3typescriptutilitiesutility-library

  TypeScript

  •

  ISC License

  •14•40•14•3•Updated Sep 2, 2025Sep 2, 2025

• action-security-code-scanner

  Public
  A GitHub action aggregating SAST tools to scan code for vulnerabilities

  JavaScript

  •3•6•1•2•Updated Sep 2, 2025Sep 2, 2025

• CodeQL-action

  Public
  JavaScript

  •3•2•0•1•Updated Sep 2, 2025Sep 2, 2025

• snap-7715-permissions

  Public
  ERC-7715 Permissions Snap monorepo

  TypeScript

  •

  Apache License 2.0

  •1•0•2•5•Updated Sep 2, 2025Sep 2, 2025

• slip44

  Public
  SLIP-44 data in JSON format.

  blockchaincryptocurrency

  JavaScript

  •17•14•1•1•Updated Sep 2, 2025Sep 2, 2025

• snaps

  Public
  Extend the functionality of MetaMask using Snaps

  monorepometamask

  TypeScript

  •

  Other

  •610•785•195•36•Updated Sep 2, 2025Sep 2, 2025

• snap-solana-wallet

  Public
  Solana Wallet Snap

  TypeScript

  •

  Apache License 2.0

  •3•1•0•2•Updated Sep 2, 2025Sep 2, 2025

• test-dapp-mm-pay

  Public
  Test app for benchmarking Metamask Pay and its competitors

  TypeScript

  •0•0•0•3•Updated Sep 2, 2025Sep 2, 2025

• metamask-sdk-examples

  Public
  TypeScript

  •59•65•7•2•Updated Sep 2, 2025Sep 2, 2025

• auto-changelog

  Public
  Utilities for validating and updating "Keep a Changelog" formatted changelogs

  TypeScript

  •

  Apache License 2.0

  •5•7•20•7•Updated Sep 1, 2025Sep 1, 2025